NGK
NGK Standard Spark Plug (BR9HS) 4522
NGK Standard Spark Plug (BR9HS) 4522
Part number: 9WJIA
Regular price
$6.28 USD
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$6.28 USD
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- Free fitment check before you order
Standard Spark Plug 4522 by NGK. Check the part number and details below against what you are replacing. Worn plugs, cracked wires and weak coils cause misfires, rough running and poor economy.
Quick facts
- Brand: NGK
- Part type: Ignition part
Listed fitment
- 1994 - 1997 Cobra BM50 Base
- 1997 - 2000 Cobra CM50 Base
- 1997 Cobra KING Base
- 1967 - 1968 Kawasaki A7 Avenger Base
- 1967 - 1968 Kawasaki A7SS Base
- 1973 - 1975 Kawasaki F11 Base
- 1971 - 1975 Kawasaki F7 Base
- 1970 - 1971 Kawasaki G31M Base
- 1972 - 1975 Kawasaki H1 Mach III Base
- 1972 - 1975 Kawasaki H2 Mach IV Base
- 1976 - 1979 Kawasaki KD175 Base
- 1976 Kawasaki KH250 Base
- 1976 Kawasaki KH500 Base
- 1974 Kawasaki KX450 Base
- 1973 Kawasaki S1 Mach I Base
- 1972 - 1973 Kawasaki S2 Mach II Base
- 1981 - 1983 Maico 250 Base
- 1978 - 1979 Maico 250 Enduro Base
- 1981 - 1983 Maico 400 Base
- 1978 - 1979 Moto-Ski Nuvik Base
- 1978 Ski-Doo Citation 300 Base
- 1978 - 1979 Ski-Doo Everest 340 Base
- 1978 - 1979 Ski-Doo Everest 340E Base
- 1978 Ski-Doo Olympique 300T Base
- 1978 Ski-Doo Olympique 340 Base
- 1978 Ski-Doo Olympique 340E Base
- 1973 Ski-Doo TNT 340 Base
- 1972 Yamaha CS5 Base
Tip: Set the spark plug gap to your engine spec and do not over-torque plugs in aluminum heads.

NGK ignition part: what to know
Worn plugs, cracked wires and weak coils cause misfires, rough running and poor economy.
Fitment notes
- Specs, lead time and warranty come from NGK and can change. The details above this guide are the latest we have.
Not sure it fits? Message us your vehicle details and we'll double-check fitment before you buy.
Ask about fitmentWhat else to plan for
- Plug wires or boots. Old wires and boots crack.
More for your car: Spark Plugs · All Spark Plugs · Batteries & electrical
Questions about ignition part
Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
How often should spark plugs be replaced?
Your maintenance schedule lists it; long-life plugs often go 60,000 to 100,000 miles.
Where do specs and warranty details come from?
From NGK. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
Questions & answers
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